Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
66°F
19°C
| Humidity | 93% |
| Wind Speed | SW 9 mph |
| Barometer | 29.95 in (1014.0 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 2 Oct 3:56 am EDT |
Extended Forecast for
Islip Terrace NY
Today
High: 78 °F
Mostly Sunny
Tonight
Low: 59 °F
Chance
ShowersSaturday
High: 68 °F
Mostly Sunny
Saturday Night
Low: 55 °F
Partly Cloudy
Sunday
High: 64 °F
Partly Sunny
then Chance
ShowersSunday Night
Low: 56 °F
Chance
ShowersMonday
High: 68 °F
Mostly Sunny
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 60 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 78. Southwest wind 7 to 11 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. North wind around 7 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 68. Northeast wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 55. East wind 3 to 6 mph.
Sunday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 64. East wind 9 to 11 mph.
Sunday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip Terrace NY
40.75°N 73.18°W (Elev. 30 ft)
40.75°N 73.18°W (Elev. 30 ft)
2:26 am EDT Oct 2, 2026
4am EDT Oct 2, 2026-6pm EDT Oct 8, 2026
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